TEST: Update reference tests

tests/reference/asr-unsigned_01-892b178.json

@@ -0,0 +1,13 @@
+{
+    "basename": "asr-unsigned_01-892b178",
+    "cmd": "lpython --show-asr --no-color {infile} -o {outfile}",
+    "infile": "tests/errors/unsigned_01.py",
+    "infile_hash": "c176f4ec65c0b5ca7c2c95b2e35d65f22b4cef342baad15c2dd5ef24",
+    "outfile": null,
+    "outfile_hash": null,
+    "stdout": null,
+    "stdout_hash": null,
+    "stderr": "asr-unsigned_01-892b178.stderr",
+    "stderr_hash": "54c7cfbd16c73cbe802a3492cd9c9e8d2fb25035192d229232c377b2",
+    "returncode": 2
+}

tests/reference/asr-unsigned_01-892b178.stderr

@@ -0,0 +1,5 @@
+semantic error: Cannot cast negative value to unsigned integer 
+ --> tests/errors/unsigned_01.py:3:10
+  |
+3 | i: u16 = u16(-5)
+  |          ^^^^^^^ 

tests/reference/asr-unsigned_02-6563e58.json

@@ -0,0 +1,13 @@
+{
+    "basename": "asr-unsigned_02-6563e58",
+    "cmd": "lpython --show-asr --no-color {infile} -o {outfile}",
+    "infile": "tests/errors/unsigned_02.py",
+    "infile_hash": "7892abcbe7cecdbddc7362fd0940986bf64458880ccd198c16dd2a6e",
+    "outfile": null,
+    "outfile_hash": null,
+    "stdout": null,
+    "stdout_hash": null,
+    "stderr": "asr-unsigned_02-6563e58.stderr",
+    "stderr_hash": "93f2cf309dfa7f13d56df9184615fde6a832b79510d8541f95ad5a70",
+    "returncode": 2
+}

tests/reference/asr-unsigned_02-6563e58.stderr

@@ -0,0 +1,5 @@
+semantic error: The result of the unary minus `-` operation is negative, thus out of range for u16
+ --> tests/errors/unsigned_02.py:3:10
+  |
+3 | i: u16 = -u16(5)
+  |          ^^^^^^^ use -i32(u) for signed result

tests/reference/asr-unsigned_03-f785652.json

@@ -0,0 +1,13 @@
+{
+    "basename": "asr-unsigned_03-f785652",
+    "cmd": "lpython --show-asr --no-color {infile} -o {outfile}",
+    "infile": "tests/errors/unsigned_03.py",
+    "infile_hash": "72dd2c6e17b137b6b9f66deeaab0af4ebe3044cb16009e0fab25f05a",
+    "outfile": null,
+    "outfile_hash": null,
+    "stdout": null,
+    "stdout_hash": null,
+    "stderr": "asr-unsigned_03-f785652.stderr",
+    "stderr_hash": "d90013a25d9aaa91fbbf2b1193cd06be94a4e716f0fe99771cde5601",
+    "returncode": 2
+}

tests/reference/asr-unsigned_03-f785652.stderr

@@ -0,0 +1,5 @@
+semantic error: The result of the unary minus `-` operation is negative, thus out of range for u64
+ --> tests/errors/unsigned_03.py:3:7
+  |
+3 | print(-u64(u32(10)))
+  |       ^^^^^^^^^^^^^ use -i64(u) for signed result

tests/reference/asr-unsigned_04-c856d3a.json

@@ -0,0 +1,13 @@
+{
+    "basename": "asr-unsigned_04-c856d3a",
+    "cmd": "lpython --show-asr --no-color {infile} -o {outfile}",
+    "infile": "tests/errors/unsigned_04.py",
+    "infile_hash": "d1c2f82e9578ce3f2364f4bbd3177bc0ae72357c644953418eaffe4c",
+    "outfile": null,
+    "outfile_hash": null,
+    "stdout": null,
+    "stdout_hash": null,
+    "stderr": "asr-unsigned_04-c856d3a.stderr",
+    "stderr_hash": "3dcdf2e97f8c5f2816bed266587c7c3743f666cf2a4602f65e8ec9b8",
+    "returncode": 2
+}

tests/reference/asr-unsigned_04-c856d3a.stderr

@@ -0,0 +1,5 @@
+semantic error: The result of the bitnot ~ operation is negative, thus out of range for u16
+ --> tests/errors/unsigned_04.py:4:5
+  |
+4 | i = ~i
+  |     ^^ use ~i32(u) for signed result or bitnot_u16(u) for unsigned result